0
我需要顯示來自兩個連接表的結果,僅用於最新項目。我有以下查詢:db的最新結果
SELECT project.id,
project.created,
COUNT(DISTINCT events.user_id) AS cnt
FROM project
JOIN events ON (events.project_id = project.id)
WHERE project.creator = $creatorID
AND events.user_id != $creatorID
ORDER BY project.created DESC
LIMIT 1
由於某種原因我繼續得到第一個項目......我在這裏錯過了什麼?
+1:我錯過了。相關信息:http://dev.mysql.com/doc/refman/5.0/en/group-by-hidden-columns.html – 2011-05-20 18:49:19
啊,2隻眼睛不錯--4只是更好! – santa 2011-05-20 18:51:29